salmon



(No Model.) 7 Sheets-Sheet 1. I S. SALMON.

APPARATUS FOR DUMPING GOAL.-

No. 419,077. Patented Jan. 7, 1890-.

(No Model.) 7 Sheets-Sheet 2. S. SALMON. APPARATUS FOR-DUMPING GOAL.

No; 419,077. Patented Jan. 7, 1890.

7 Sheets-Sheet 3.

(No Model.)

S. SALMON. APPARATUS FOR DUMPING GOAL. No. 419,077. Patented Jan. '7,1890.

7 7 Sheets-*Sheet 4. I V s. SALMON.

APPARATUS FOR DUMPING GOAL.

(No Model.)

* No. 419.077. Patented Jan. 7, 1890.

(No Model.) 7 Sheets-Sheet 5.

S. SALMON. APPARATUS FOR DUMPING GOAL.

No. 419,077. Patented Jan. '7. 1890.

(No Model.) 7 Sheets--Sheet 6.

S. SALMON.

APPARATUS FOR DUMPING- GOAL.

No. 419,077. Patented Jan. 7,1890.

(No Model.) 7 Sheets-Sheet 7. S. SALMON. APPARATUS FOR DUMPING GOAL.

No. 419,077. Patented Jan.7,1890.

UNITED STATES PATENT OFFICE.

SAMUEL SALMON, OF DRIFTON, PENNSYLVANIA, ASSIGNOR TO ECKLEY B. COXE, OFSAME PLACE.

APPARATUS FOR DUMPING COAL.

SPECIFICATION forming part of Letters Patent No. 419,077, dated January7, 1890.

Application filed July 30, 1887- Serial No. 245,721. (No model.)

To all whom it may concern.-

Be it known that I, SAMUEL SALMON, or Drifton, in the county of Luzerne,and in the State of Pennsylvania, have invented certain new and usefulImprovements in Apparatus for Dumping Coal, &e.; and I do hereby declarethat the following is a full, clear, and exact description thereof,reference being had to the accompanying drawings, in which Figure 1 is aperspective view of the upper end of a mine-slope, showing thecounterbalaneing mechanism in position for engagement with a mine-car.Fig. 2 is a like view of a mine-car. Figs. 3 and at are respectively aplan View of the upper side of the upper end of said slope and a likeview of the lower side of the car. Fig. 5 is a side elevation of suchportion of the slope, showing the upwardmoving car at the point of itsengagement with the retracting mechanism. Fig. 6 is a like View of thesame, with the car at the point where its contents are dumped. Fig. 7 isa perspective view of the retracting mechanism when occupying its normalposition. Fig. 8 is a front elevation of the same when engaged with andcounterbalancing a car. Fig. 9 is an enlarged perspective view of theengaging portion of said mechanism when in its normal position, and Fig.10 is a like view of the same after engagement with the axle of a car.

Letters of like name and kind refer to like parts in each of thefigures.

The design of my invention is to enable mine-ears to be dumped at theupper end of an inclined elevating tramway or slope without renderingnecessary the passage of the coal through or over the slope-track andhoisting mechanism; and to this end such invention consists in animproved dumping apparatus adapted to automatically return an emptiedear to the elevating tramway or mineslope, as hereinafter specified andclaimed.

In the carrying of my invention into praetice I extend the upper ends ofthe tracks A and A of an ordinary inclined tramway or mine-slope in acurve outward and downward, so as to form from such extensions A and Aan oppositely-arranged dumping-incline that has an opposite angle fromthat of said slope and terminates in a buffer B and has such length asto enable it to contain a minecar 0. Said car is of usual construction,and is supported by means of two axles D and D and four wheels E and E.

The car 0 is drawn up the slope and over and upon the dumpingincline bymeans of the usual cable F, which passes around a suitable pulley G,that is journaled centrally at the upper end of said slope, and a secondpulley H, which is sin'lilarly journaled at a point below the lower endof the incline, the arrangement being such as to cause said cable tofollow the lines of said slope and incline. When a car has passed fromthe upper end of the slope over and upon the dumping-incline, the frontend of its box, which is pivoted at its upper edge, is automaticallyreleased, and in consequence of the inclination of said car swingsoutward, so as to release the contents and permit the same to dischargedownward upon an inclined apron I and over the same to any desiredpoint.

This method of discharging the contents of a car prevents allinterference with or clogging of the hoisting-cable, as is frequentlythe case where the usual construction is employed; but the car is leftin such position as to prevent it from moving by gravity down the slopewhen said cable is slaekened,and it thus becomes necessary that said carshould be otherwise moved from the incline over upon said slope, forwhich purpose I employ the following mechanism, viz: Pivoted at its rearend upon the supporting-frame of the apparatus is a bar K, which has theform shown in Figs. 7 and S, and is preferably constructed from twopieces that are secured together at their ends. Between the rear pivotedends of said bar is secured a wooden beam L, which from thence extendsdown ward, as shown, and has its lower end con nected with the outer endof said bar by means of a rod M, that is secured to and extends betweensaid parts. From the outer end of the bar K a chain N extends upward infront-of the wheel or pulley G, and at its upper end is connected withthe lower central portion of a U-shaped bar 0, the ends of which 0 and 0have the hook shape shown in Fig. 10. From each side of said hook-bar atrunnion 0' extends horizontally and laterally outward and rests uponand within the upward and forward curved rear end 19 of a plate P, whichplate has its front end attached to a suitable support between thetracks A and A of the slope, the arrangement being such as to cause saidhook-bar to be supported at just the height to enable its hooked ends 0and 0, which are open to the rear, to be engaged by the front axle D ofa car as the latter moves up said slope. When a car thus engaged withthe hookbar 0 moves over upon the incline, the chain Nis drawn aroundthe wheel G and the bar K and beam L turned upward to the positionsshown. Said bar K and beam L operate as counter-balances, and are soproportioned as to overbalance an empty car, so that while not operatingto materially retard the movement of a loaded car down the incline theywill overbalance the empty car and operate to draw the same backward upsaid incline and upon the slopetrack as soon as the coal is dumped andthe hoisting-cable slackened. In order that undue strain of theretracting mechanism may be prevented, the chain N is yieldinglyconnected with the bar K through an ordinary spring-pull n, which yieldswhenever the tension exceeds acertain predetermined amount.

When a car is moving up the slope and en-' gages with the hook-bar O,the trunnions 0' and 0' of the latter pass out of the curved ends 19 andp of the plates P and P and offer no obstacle to the free forwardmovement of said bar; but when the car has been discharged and movesdown said slope said trunnions are again engaged by said curved ends, bywhich means the mot-ion of said hooked bar in such direction isarrested, and the car-axle instantly moves out of engagement with thesame, such operations being performed with ease and without shock.

By use of this apparatus each car, as it slope, such operations beingentirely automatic, with exception of the usual manipulation of thehoisting-cable.

Having thus described my invention, what I claim is 1. The combination,with an inclined tramway having at its upper end an oppositelyarrangeddumping-incline, of a hook-bar arranged to be engaged by a part of acar, and a counterbalance connected with said hookbar and serving toautomatically return the car to the said inclined tramway from the saidoppositely-arranged incline when the weight of the car has been lessenedby the discharge of its load, substantially as and for the purposespecified.

2. The combination, with an inclined tramway having at its upper end anoppositelyarranged dumping-incline, of a hook-bar near the upper end ofsaid tramway in position to be engaged by a part of a car, a c ounterbalance, and a yielding connection between the latter and the saidhook-bar, substantially as and for the purpose shown.

3.; The combination, with an inclined tramway having at its upper end anoppositelyarranged dumpingincline, and also provided near its upper endwith plates P, having curved ends 19, of the U-shaped hook-bar 0, havingtrunnions 0', and a counter-balance connected with the said hook-bar,substantially as and for the purpose set forth.

4. In combination with a mine-car, an inclined tramway, and anoppositely-arranged incline which is connected with the upper end of thesame, a counte'rbalancing-beam that is pivoted at one end to or upon thesupporting frame of the slope, a hooked bar which is located near theupper end of said slope and is adapted to be engaged by the front axleof the car as it passes upon the incline, and a chain for connecting thefree end of said beam with said hooked bar, so that the forward movementof said car will operate to raise said beam, substantially as and forthe purpose shown.

In testimony that I claim the foregoing I have hereunto set my hand this5th day of July, A. D. 1887.

SAMUEL SALMON.

Witnesses:

HARRY J. DAVIS, ELLIOTT A. OBERRENDER.

